class Box

   # Initialize our class variables

   @@count = 0

   def initialize(w,h)

      # assign instance avriables

      @width, @height = w, h

​

      @@count += 1

   end

​

   def self.printCount()

      puts "Box count is : #@@count"

   end

end

​

# call class method to print box count

Box.printCount()

​